Definition of Meningitis, Kernig sign of

Meningitis, Kernig sign of: This clinical hallmark of
meningitis, inflammation
of the meninges, the membranes covering the brain and spinal cord, is tested for by having the
person lie supine (flat on the back), flex the thigh so
that it is at a right angle to the trunk, and completely extend the leg at
the knee joint. If the leg cannot be completely extended due to pain, this
is Kernig sign.
Source: MedTerms™ Medical Dictionaryhttp://www.medicinenet.com/script/main/art.asp?articlekey=7864Last Editorial Review: 8/28/2013